The Times of India' brings you 'Hack of the Day' — a new weekday-series of quick, practical solutions to everyday hassles.

Through SIM-swap or duplicate SIM fraud, fraudsters can gain control of your number and obtain all incoming OTPs. Simply put, ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers finish ...

GSM phones can be "locked", that is made to accept only SIM cards belonging to a specific network. Typically, this is done so that phones will work only on the network of the carrier. SIM-locked ...